patch applied (cabal-install): Misc minor tweaks in Main

Sun May 9 20:27:36 PDT 2010 Duncan Coutts <duncan@haskell.org> * Misc minor tweaks in Main M ./Main.hs -4 +4 View patch online: http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=cabal-install;a=darcs_commit...